S3C2440 데이터 시트보기 (PDF) - Samsung

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S3C2440

32-BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents (Continued)

Chapter 3

ARM Instruction Set

Instruction Set Summay.......................................................................................................................3-1

Format Summary ........................................................................................................................3-1

Instruction Summary....................................................................................................................3-2

The Condition Field..............................................................................................................................3-4

Branch and Exchange (Bx)...................................................................................................................3-5

Instruction Cycle Times................................................................................................................3-5

Assembler Syntax .......................................................................................................................3-5

Using R15 as an Operand ............................................................................................................3-5

Branch and Branch with Link (B, Bl)......................................................................................................3-7

The Link Bit ................................................................................................................................3-7

Instruction Cycle Times................................................................................................................3-7

Assembler Syntax .......................................................................................................................3-8

Data Processing..................................................................................................................................3-9

Cpsr Flags ..................................................................................................................................3-11

Shifts .........................................................................................................................................3-12

Immediate Operand Rotates .........................................................................................................3-16

Writing to R15.............................................................................................................................3-16

Using R15 as an Operandy...........................................................................................................3-16

TEQ, TST, Cmp and Cmn Opcodes...............................................................................................3-16

Instruction Cycle Times................................................................................................................3-16

Assembler Syntax .......................................................................................................................3-17

Examples ...................................................................................................................................3-17

Psr Transfer (MRS, MSR).....................................................................................................................3-18

Operand Restrictions ...................................................................................................................3-18

Reserved Bits..............................................................................................................................3-20

Examples ...................................................................................................................................3-20

Instruction Cycle Times................................................................................................................3-20

Assembly Syntax ........................................................................................................................3-21

Examples ...................................................................................................................................3-21

Multiply And Multiply-Accumulate (MUL, MLA).......................................................................................3-22

Cpsr Flags ..................................................................................................................................3-24

Instruction Cycle Times................................................................................................................3-24

Assembler Syntax .......................................................................................................................3-24

Examples ...................................................................................................................................3-24

Multiply Long And Multiply-Accumulate Long (MULL, MLAL) ...................................................................3-25

Operand Restrictions ...................................................................................................................3-26

Cpsr Flags ..................................................................................................................................3-26

Instruction Cycle Times................................................................................................................3-26

Assembler Syntax .......................................................................................................................3-27

Examples ...................................................................................................................................3-27

iv

S3C2440A MICROCONTROLLER

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